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#photo privacy
記事 01
写真からジオタグを削除する方法（そして確認する方法）
Several controls that look identical do completely different things, and one of them refuses to touch a camera-written location at all. Here is how to clear the location and confirm it is gone.
記事 02
写真ファイルから GPS 位置情報を取り出す方法
The coordinates are already inside the file. Here is how to read them out, why the number arrives without its minus sign, and which tags tell you whether the location is a measurement or a guess.